xo-reader2: + IPrintable+DExprSeqState

include/xo/reader2/DExprSeqState.hpp

@@ -25,6 +25,13 @@ namespace xo {
             N
         };
 
+        const char * exprseqtype_descr(exprseqtype x);
+
+        inline std::ostream & operator<<(std::ostream & os, exprseqtype x) {
+            os << exprseqtype_descr(x);
+            return os;
+        }
+
         /** @class DExprSeqState
          *  @brief state machine for parsing a sequence of expression
          *
@@ -33,6 +40,7 @@ namespace xo {
         class DExprSeqState {
         public:
             using AAllocator = xo::mm::AAllocator;
+            using ppindentinfo = xo::print::ppindentinfo;
 
         public:
             explicit DExprSeqState(exprseqtype ty);
@@ -78,6 +86,13 @@ namespace xo {
             void on_parsed_symbol(std::string_view sym, ParserStateMachine * p_psm);
 
             ///@}
+            /** @defgroup scm-exprseq-printable-facet printable facet methods **/
+            ///@{
+
+            /** pretty-printing driver; combine layout+printing **/
+            bool pretty(const ppindentinfo & ppii) const;
+
+            ///@}
 
         private:
             /** sequence type. accept rvalue expressions when

include/xo/reader2/ssm/IPrintable_DExprSeqState.hpp

@@ -0,0 +1,62 @@
+/** @file IPrintable_DExprSeqState.hpp
+ *
+ *  Generated automagically from ingredients:
+ *  1. code generator:
+ *       [/Users/roland/proj/xo-umbrella2/xo-facet/codegen/genfacet]
+ *     arguments:
+ *       --input [idl/IPrintable_DExprSeqState.json5]
+ *  2. jinja2 template for abstract facet .hpp file:
+ *       [iface_facet_repr.hpp.j2]
+ *  3. idl for facet methods
+ *       [idl/IPrintable_DExprSeqState.json5]
+ **/
+
+#pragma once
+
+#include "Printable.hpp"
+#include <xo/printable2/Printable.hpp>
+#include <xo/printable2/detail/IPrintable_Xfer.hpp>
+#include "DExprSeqState.hpp"
+
+namespace xo { namespace scm { class IPrintable_DExprSeqState; } }
+
+namespace xo {
+    namespace facet {
+        template <>
+        struct FacetImplementation<xo::print::APrintable,
+                                   xo::scm::DExprSeqState>
+        {
+            using ImplType = xo::print::IPrintable_Xfer
+              <xo::scm::DExprSeqState,
+               xo::scm::IPrintable_DExprSeqState>;
+        };
+    }
+}
+
+namespace xo {
+    namespace scm {
+        /** @class IPrintable_DExprSeqState
+         **/
+        class IPrintable_DExprSeqState {
+        public:
+            /** @defgroup scm-printable-dexprseqstate-type-traits **/
+            ///@{
+            using ppindentinfo = xo::print::APrintable::ppindentinfo;
+            using Copaque = xo::print::APrintable::Copaque;
+            using Opaque = xo::print::APrintable::Opaque;
+            ///@}
+            /** @defgroup scm-printable-dexprseqstate-methods **/
+            ///@{
+            // const methods
+            /** Pretty-printing support for this object.
+See [xo-indentlog/xo/indentlog/pretty.hpp] **/
+            static bool pretty(const DExprSeqState & self, const ppindentinfo & ppii);
+
+            // non-const methods
+            ///@}
+        };
+
+    } /*namespace scm*/
+} /*namespace xo*/
+
+/* end */